Hurry! 4 Days left in the Instructables Green Design Contest

We're in the last few days of the Instructables Green Design Contest, where hundreds of people have submitted projects that fall under the criteria of "an eco-friendly Instructable that uses sustainable materials or is energy efficient by design."

If you have a project you've completed and want to show others how it's done, consider submitting it. You'll have the chance to win some really fun prizes, like Voltaic Systems OffGrid Solar Backpack, ReadySet Renewable Energy Kit with Solar Panel and LED light, Nokero Solar Light Bulbs and a $500 REI gift certificate.

Here are some of the projects we've noticed from the pool of amazing ideas, to give an example of the great work that Makers are doing, and helping others to learn: